There's a merged pull request on the void-packages repository

synfig/synfigstudio/ETL: update to 1.4.0
https://github.com/void-linux/void-packages/pull/26410

Description:
New stable release, supersedes #24755, tested briefly on x86_64-musl with some examples, no segfault anymore on startup. Also successfully built for x86_64, armv7l, i686.

@Vaelatern @diogoleal